Senior Software Developer Jobs in District of Columbia

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281 - 300 of 2,369 Jobs

Senior Node.js API Developer

Synechron

•

Sterling, Virginia, USA

Full-time, Third Party

We are At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development in
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Posted 10 days ago | Updated 1 day ago

Sr. Software Development Engineer - DevOps (US Federal)

Workday, Inc.

•

McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 60+ days ago | Updated 6 hours ago

Senior Data Warehouse Developer

Bridge Flair LLC

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Remote

Full-time

Job Description: This position is for a government client. Our client is seeking an experienced Senior Data Warehouse Developer. This developer will play a critical role in ensuring delivery milestones are met while maintaining and enhancing production systems. Ideal candidates will have strong expertise in PL/SQL and T-SQL, with a deep understanding of data warehouse concepts, star schema design, and the Kimball methodology. Apply Data Warehouse best practices, particularly those aligned with K
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Posted 20 hours ago | Updated 20 hours ago

Cyber Software Engineer Sr Stf - DSP

Lockheed Martin Corporation

•

Herndon, Virginia, USA

Full-time

Job Description This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! This position may be eligible for a $25K sign on bonus for external hires! Cyber Software Engineer Princ. - DSP WHAT WE'RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the evolving threat of cyber warfare. As a cyber s
Posted 60+ days ago | Updated 6 hours ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match
Posted 60+ days ago | Updated 6 hours ago

Senior Cloud Developer (AWS)- Remote (Future Opportunity)

ICF

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Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the US* * This role is part of our talent pipeline, and while there may not be an immediate opening, we are proactively connecting with qualified candidates for future opportunities* We're seeking a talented Cloud backend developer to join our dynamic team. As a key member of our engineering department, you'll play a pivotal role in designing, developing, and maintaining robust backend applications and services. Responsibilities: Des
Posted 60+ days ago | Updated 7 hours ago

Sr. Full Stack Developer

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Sr. Full Stack Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesti
Posted 60+ days ago | Updated 6 hours ago

Python Developer

eSolutionsFirst, LLC

•

McLean, Virginia, USA

Contract, Third Party

Position: Python Developer Location: Mclean VA Interview Information: 2 rounds Duration: 1st round 30 minutes Teams|2nd round 60 minutes in person Interview Must Have Qualifications: 5+ years of relatable hands-on experience as a Python Developer, Django/Flask/FastAPI, NumPy, pandas and Relational Database, Unit Testing Candidate Vetting Questions 1) Please describe your development experience. What tools have used and how? 2) Please describe your most recent scripting experience with Python.
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Posted 60+ days ago | Updated 8 days ago

AI Engineer, Senior Architect (Software)

Clarity Innovations

•

Fort Meade, Maryland, USA

Full-time

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI/CD, and secure DevSecOps practices. We focus on challenges in Inf
Posted 59 days ago | Updated 4 hours ago

Software Developer

Cornerstone Defense

•

Tysons, Virginia, USA

Full-time

Location: Tysons, Virginia Type: Contract Job #3716 Title: Software Developer Location: Tysons, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is push
Posted 60+ days ago | Updated 6 hours ago

Senior React Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

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Remote

Contract, Third Party

Position Senior React Developer (10+ Years Experience)Location RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly skilled Senior React Developer with over 10 years of experience in frontend development. The ideal candidate will have deep expertise in JavaScript, React.js, TypeScript, and modern UI/UX principles. You ll be responsible for leading frontend architecture, mentoring developers, collaborating with cross-functional teams, and delivering high-performance, scal
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Posted 51 days ago | Updated 2 days ago

Sr. AWS Glue ETL Developer

Ameriinfo Vets

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Remote

Contract

Job Requisition: Sr. AWS Glue ETL Developer Job Description: Leidos is seeking a Sr. AWS Glue ETL Developer with strong systems, software, and AWS cloud experience to support a major mainframe systems modernization initiative for federal customer. Based in DevOps framework, participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, unit testing, support deployments a
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Posted 11 days ago

Full Stack Developer Senior

Apex Systems

•

Tysons, Virginia, USA

Full-time

Job#: 2065139 Job Description: Job Description: o Design, develop, and maintain full-stack applications to support the clients business operations. o Collaborate with product managers, designers, and other stakeholders to understand user requirements and translate them into technical specifications. o Ensure the performance, quality, and responsiveness of applications. o Enhance the client's risk management technology by configuring and integrating various systems. o Participate in code revi
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Posted 60+ days ago | Updated 7 hours ago

C/C++ Developer | Senior Developer ( Networking & Systems Software )

Bramkas Inc.

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Remote

Full-time

C/C++ Developer | Senior Developer ( Networking & Systems Software )Location: Onsite / HybridExperience Level: 3 to 10 YearsRole Type: Full-Time PositionJob Overview: We are looking for a highly skilled C/C++ Developer with hands-on experience in building systems-level software, networking protocols, or embedded systems. This is a core engineering role where you ll work close to the hardware, writing efficient, high-performance code for networked or embedded environments. If you love low-level
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Posted 6 days ago | Updated 6 days ago

Sr. Salesforce UI Developer

Tetrahed

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Remote or The Woodlands, Texas, USA

Contract

Job Summary: We are seeking an experienced UI Developer to join our team and help design and develop user interfaces for our Salesforce-based applications. In this role, you will be responsible for translating business requirements and user needs into visually appealing and intuitive user experiences. You will work closely with our Salesforce developers, business analysts, and product managers to ensure a cohesive and seamless user experience across our Salesforce solutions. Key Responsibilitie
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Posted 2 days ago | Updated 1 day ago

Senior Connect developer

ProIT Inc.

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Washington, District of Columbia, USA

Contract

Job description: AWS Cloud with hands-on experience in Contact Centre technologies Hands on experience on developing Amazon Connect flows, queues, routing profiles etc. Hands on experience on integrating the lambda functions, Lex Bot in AWS Connect. Should have good experience on how end-to-end IVR works and integration of different AWS services. Should have good knowledge on Agile process. Should be a passionate learner and are motivated to take up new challenges
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Posted 60+ days ago | Updated 10 hours ago

Lead Software Developer

Boeing Company

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Remote or Ridley Park, Pennsylvania, USA

Full-time

Lead Software Developer Company: The Boeing Company The Boeing Company is currently seeking a Lead Software Developer to join the Information Technology Product Systems Contract Direct team in Ridley Park, PA. The Information Technology Product Systems Contract Direct team supports supply chain integration environments for Boeing Global Services (BGS) Government Programs, which provides application integration services between the BGS standard tool suite and external customers and suppliers.
Posted 12 days ago | Updated 7 hours ago

Senior Signals Software Engineer - 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Fle
Posted 60+ days ago | Updated 6 hours ago

Senior Appian Developer- Remote (Future Opportunity)

ICF

•

Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the US* * This role is part of our talent pipeline, and while there may not be an immediate opening, we are proactively connecting with qualified candidates for future opportunities* ICF's Digital Modernization division is a rapidly growing, entrepreneurial, technology department, seeking Senior Appian Developers to support upcoming needs with our federal customers. Our Digital Modernization division is an information technology and
Posted 60+ days ago | Updated 7 hours ago

Senior Android Developer

Ampcus Inc

•

Vienna, Virginia, USA

Full-time, Contract

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Senior Android DeveloperLocation(s): Vienna, VARequired (All Levels): Demonstrates knowledge delivering software within a formal Systems Development Life Cycle (SDLC) Demonstrates knowledge of developing Java based applications Ability to apply sound judgment in analyzing and organizing technical solutio
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Posted 60+ days ago | Updated moments ago